18
Refrigerant Piping
Max. length
A
w
Height difference should be within 15m regardless of which unit, indoor or outdoor position is high.
w
Max. Height
difference 15m
Indoor
unit
Outdoor unit
(SLZ/SEZ)
MAX. HEIGHT DIFFERENCE
MAX. REFRIGERANT PIPING LENGTH
Refrigerant piping
Max. length : m
A
30
Indoor unit
Gas 0.43
Liquid 0.5
Gas
12.7
15.88
Liquid
6.35
Outdoor unit
Gas 0
Liquid 0
SUZ-A18VR.TH
SUZ-A24VR.TH
Model
Piping size O.D : mm
Length of connecting pipe : m
Refrigerant piping length (one way)
Outdoor unit
precharged
15m
160
160
20m
260
260
25m
360
360
30m
460
460
7m
0
0
10m
60
60
Model
SUZ-A18VR.TH
SUZ-A24VR.TH
1,800
1,800
ADDITIONAL REFRIGERANT CHARGE(R410A : g)
Calculation : Xg=20g/m
✕
(Refrigerant piping length (m)–7)
SUZ-A18VR.TH
SUZ-A24VR.TH
OC304A --1qxp 04.6.29 8:33 AM Page 18